State Street is bullish on fixed income. It believes that institutions should take advantage of attractive yields and that macro conditions are improving, albeit in an uneven fashion. Investors can achieve their diversification, return, and income goals without compromising on credit quality.

Many pensions have been able to close or shrink their funding gaps due to higher yields from Treasuries and investment-grade corporate debt. At current valuations, bonds are able to more effectively function as a hedge against weaker economic growth and serve as an effective hedge against equities. 

State Street sees the economy in a sideways period for rates and inflation. Therefore, it recommends that investors get long duration and see a more favorable environment eventually emerging for borrowers. It forecasts that inflation and Fed rates will end the year lower, providing a tailwind for fixed income.

In terms of active vs. passive strategies for fixed income, State Street takes a nuanced approach. It believes that in certain sectors, capable active managers have proven to add value. But this alpha has been shown to erode over time.

State Street has built a systematic approach towards fixed income which uses a rules-based approach. It weighs factors like value, sentiment, and momentum. It sees considerable benefits to increased electronic trading for fixed income, which has resulted in more data and liquidity. 

Finsum: State Street is bullish on fixed income due to attractive yields and an improving macro environment. In terms of active vs. passive fixed income, it takes a nuanced view.